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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:25 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:25 +0200 |
| commit | 9b593dc3055d44a4179c03050be58a437ae385a1 (patch) | |
| tree | d27011625b9a9bd1c58e6af469c63c8ad63bbc08 /sysdeps/s390/multiarch/memccpy.c | |
| parent | 88eefd344b3cf4a41284a1dfdaca61667e3a1b4b (diff) | |
| download | glibc-9b593dc3055d44a4179c03050be58a437ae385a1.tar glibc-9b593dc3055d44a4179c03050be58a437ae385a1.tar.gz glibc-9b593dc3055d44a4179c03050be58a437ae385a1.tar.bz2 glibc-9b593dc3055d44a4179c03050be58a437ae385a1.zip | |
S390: Optimize memccpy.
This patch provides optimized versions of memccpy with the z13 vector
instructions.
ChangeLog:
* sysdeps/s390/multiarch/memccpy-c.c: New File.
* sysdeps/s390/multiarch/memccpy-vx.S: Likewise.
* sysdeps/s390/multiarch/memccpy.c: Likewise.
* sysdeps/s390/multiarch/Makefile
(sysdep_routines): Add memccpy functions.
* sysdeps/s390/multiarch/ifunc-impl-list-common.c
(__libc_ifunc_impl_list_common): Add ifunc test for memccpy.
* string/memccpy.c: Use MEMCCPY if defined.
Diffstat (limited to 'sysdeps/s390/multiarch/memccpy.c')
| -rw-r--r-- | sysdeps/s390/multiarch/memccpy.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/memccpy.c b/sysdeps/s390/multiarch/memccpy.c new file mode 100644 index 0000000000..c5a9628aba --- /dev/null +++ b/sysdeps/s390/multiarch/memccpy.c @@ -0,0 +1,28 @@ +/* Multiple versions of memccpy. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) +# include <string.h> +# include <ifunc-resolve.h> + +s390_vx_libc_ifunc (__memccpy) +weak_alias (__memccpy, memccpy) + +#else +# include <string/memccpy.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |